What If?  Volume 1 and Volume 2.  Edited by Richard A. Lupoff.  Paperbacks, pub. 1980 and 1981.  Both in very good condition, estate sale find and both are in plastic bags to keep them in good condition.  Anthologies of science fiction stories that according to the editor, should have won the Hugo award for science fiction.  Authors include Poul Anderson, Theodore Sturgeon, C.M. Kornbluth, Alfred Bester, Philip K. Dick, Barrington J. Bayley and several others. Shipping weight less than 1 pound.